3 years ago

Please help my neighbor and I find the answer

Mathematics

2 answers:

julia-pushkina [17]3 years ago

5 0

Add up all the number under the “number of exchange students” column and divide it by 5. Answer should be 1.

dolphi86 [110]3 years ago

3 0

Answer:

the answer is 3

Step-by-step explanation:

add up the bag row 1+2+3+4+5= 15 then do 15/5=3

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A hot air balloon descends 15 feet each minute after having reached an altitude of 362 feet above the ground. What is the altitu

salantis [7]

Answer:

182 feet

Step-by-step explanation:

The equation that describes the motion of the hot air ballon is:

$h(t) = h_0 - vt$

where:

$h_0$ is the initial altitude

v is the rate of descend of the balloon

t is the time

The balloon starts from a height of

$h_0 = 362 ft$

and has a rate of descend of

$v=15 ft/min$

Therefore, after time

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Its altitude will be

$h(12)=362 - (15)(12)=182 ft$

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elena-14-01-66 [18.8K]

Answer:

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Step-by-step explanation:

For each right-angled triangle:

$\cos\theta=\frac{cathetus \ adjacent \ \theta}{hypotenuse}$

Because $\cos \theta=0.4, \ \ cathetus\ adjacent \ \theta \ = \ 12, \ \ \ hypotenuse=x$

we have an equation

$0.4=\frac{12}x$

multiplying both sides by x, we get $0.4x=12$

dividing both sides by 0.4 and $x=\frac{12}{0.4}$

using calculator, we divide 12 by 0.4

and finally x=30

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3 years ago

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